150 neck flange B seam understand how ah

Excuse me 150 neck flange B seam understand how ah? Is it with the neck? Who knows? solve
2020-09-28 Reply
Jiangsu Huishan industry and trade HTC Limited by Share Ltd (registered capital of 11 million) focus on industry for 24 years, is the production processing and sales of all series of welding related products company, provide perfect pre-sale, sale, customer service service, has a complete and scientific quality management system. The company to “ harmony between you and me, the integrity of the world ” the core purpose to serve all new and old customers. If you are interested in our products and services, please leave a message or call us. WeChat phone number: 1535800011
2017-01-06 09:54:52 Reply
Wn, hubbed is
2016-10-10 16:34:45 Reply